1097917450 has 24 divisors (see below), whose sum is σ = 2333859552. Its totient is φ = 376428720.

The previous prime is 1097917441. The next prime is 1097917463. The reversal of 1097917450 is 547197901.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1097917397 and 1097917406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1568104 + ... + 1568803.

It is an arithmetic number, because the mean of its divisors is an integer number (97244148).

Almost surely, 2^1097917450 is an apocalyptic number.

1097917450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1097917450 is an abundant number, since it is smaller than the sum of its proper divisors (1235942102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1097917450 is a wasteful number, since it uses less digits than its factorization.

1097917450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136926 (or 3136921 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 1097917450 is about 33134.8374071762. The cubic root of 1097917450 is about 1031.6282569551.

The spelling of 1097917450 in words is "one billion, ninety-seven million, nine hundred seventeen thousand, four hundred fifty".