1355678902469 has 32 divisors (see below), whose sum is σ = 1488319795200. Its totient is φ = 1231206117120.

The previous prime is 1355678902453. The next prime is 1355678902507. The reversal of 1355678902469 is 9642098765531.

It is a cyclic number.

It is not a de Polignac number, because 1355678902469 - 2⁴ = 1355678902453 is a prime.

It is a super-2 number, since 2×1355678902469² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355678902069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33142772 + ... + 33183650.

It is an arithmetic number, because the mean of its divisors is an integer number (46509993600).

It is a 1-persistent number, because it is pandigital, but 2⋅1355678902469 = 2711357804938 is not.

Almost surely, 2^{1355678902469} is an apocalyptic number.

It is an amenable number.

1355678902469 is a deficient number, since it is larger than the sum of its proper divisors (132640892731).

1355678902469 is a wasteful number, since it uses less digits than its factorization.

1355678902469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41973.

The product of its (nonzero) digits is 97977600, while the sum is 65.

The spelling of 1355678902469 in words is "one trillion, three hundred fifty-five billion, six hundred seventy-eight million, nine hundred two thousand, four hundred sixty-nine".