1453967997 has 8 divisors (see below), whose sum is σ = 1939019040. Its totient is φ = 969114480.

The previous prime is 1453967981. The next prime is 1453968031. The reversal of 1453967997 is 7997693541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1453967997 - 2⁴ = 1453967981 is a prime.

It is a super-2 number, since 2×1453967997² = 4228045872600384018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453967997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453947997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31254 + ... + 62327.

It is an arithmetic number, because the mean of its divisors is an integer number (242377380).

Almost surely, 2^1453967997 is an apocalyptic number.

It is an amenable number.

1453967997 is a deficient number, since it is larger than the sum of its proper divisors (485051043).

1453967997 is an equidigital number, since it uses as much as digits as its factorization.

1453967997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98763.

The product of its digits is 12859560, while the sum is 60.

The square root of 1453967997 is about 38130.9322860063. The cubic root of 1453967997 is about 1132.8827112701.

The spelling of 1453967997 in words is "one billion, four hundred fifty-three million, nine hundred sixty-seven thousand, nine hundred ninety-seven".