Search a number
-
+
354828874969 is a prime number
BaseRepresentation
bin1010010100111010111…
…00101111010011011001
31020220212122010110112001
411022131130233103121
521303142142444334
6431001154121001
734430663446642
oct5123534572331
91226778113461
10354828874969
11127533716608
1258927580161
13275ca142aaa
1413260d0a6c9
15936ae56714
hex529d72f4d9

354828874969 has 2 divisors, whose sum is σ = 354828874970. Its totient is φ = 354828874968.

The previous prime is 354828874921. The next prime is 354828875003. The reversal of 354828874969 is 969478828453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344610091225 + 10218783744 = 587035^2 + 101088^2 .

It is a cyclic number.

It is not a de Polignac number, because 354828874969 - 217 = 354828743897 is a prime.

It is a super-2 number, since 2×3548288749692 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354828878969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177414437484 + 177414437485.

It is an arithmetic number, because the mean of its divisors is an integer number (177414437485).

Almost surely, 2354828874969 is an apocalyptic number.

It is an amenable number.

354828874969 is a deficient number, since it is larger than the sum of its proper divisors (1).

354828874969 is an equidigital number, since it uses as much as digits as its factorization.

354828874969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 836075520, while the sum is 73.

The spelling of 354828874969 in words is "three hundred fifty-four billion, eight hundred twenty-eight million, eight hundred seventy-four thousand, nine hundred sixty-nine".