270007699111921 has 9 divisors (see below), whose sum is σ = 286825084379211. Its totient is φ = 254124630371232.

The previous prime is 270007699111901. The next prime is 270007699111939. The reversal of 270007699111921 is 129111996700072.

The square root of 270007699111921 is 16431911.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 210213606575025 + 59794092536896 = 14498745^2 + 7732664^2 .

It is not a de Polignac number, because 270007699111921 - 2²³ = 270007690723313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270007699111901) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 278859196 + ... + 279825778.

Almost surely, 2^{270007699111921} is an apocalyptic number.

270007699111921 is the 16431911-st square number.

270007699111921 is the 8215956-th centered octagonal number.

It is an amenable number.

270007699111921 is a deficient number, since it is larger than the sum of its proper divisors (16817385267290).

270007699111921 is an frugal number, since it uses more digits than its factorization.

270007699111921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933200 (or 966600 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 55.

The spelling of 270007699111921 in words is "two hundred seventy trillion, seven billion, six hundred ninety-nine million, one hundred eleven thousand, nine hundred twenty-one".