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5401816957 is a prime number
BaseRepresentation
bin1010000011111100…
…10010111101111101
3111221110110201210201
411001332102331331
542030331120312
62252003403501
7250601454325
oct50176227575
914843421721
105401816957
112322204039
121069083591
136811881c4
143935ba285
15219378557
hex141f92f7d

5401816957 has 2 divisors, whose sum is σ = 5401816958. Its totient is φ = 5401816956.

The previous prime is 5401816939. The next prime is 5401816967. The reversal of 5401816957 is 7596181045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3870581796 + 1531235161 = 62214^2 + 39131^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401816957 - 27 = 5401816829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401816967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700908478 + 2700908479.

It is an arithmetic number, because the mean of its divisors is an integer number (2700908479).

Almost surely, 25401816957 is an apocalyptic number.

It is an amenable number.

5401816957 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401816957 is an equidigital number, since it uses as much as digits as its factorization.

5401816957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 5401816957 is about 73497.0540702143. The cubic root of 5401816957 is about 1754.6073917698.

The spelling of 5401816957 in words is "five billion, four hundred one million, eight hundred sixteen thousand, nine hundred fifty-seven".